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SVTmaniac

macrumors 6502
Original poster
Jan 30, 2013
444
934
RCS was working all day yesterday with multiple friends. Today halfway through a conversation it gave me a send error and reverted back to SMS and now every single one of them is SMS when it was working fine yesterday. Restarted the phone twice, airplane mode and back on all the stuff you’d normally try. Only have SMS today. Anyone else?
 

barkomatic

macrumors 601
Aug 8, 2008
4,556
2,912
Manhattan
RCS from my iPhone 14 Pro was working fine when I first upgraded to iOS18. When I started using my iPhone 16 Pro now all messages to Android users are being sent via SMS again. I checked, and RCS is turned on.

Did your situation ever resolve on its own?
 
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Phaethar

macrumors member
Nov 21, 2017
40
36
MN
I’m wondering about this too. I’m on AT&T, and RCS was working all last week on my 15PM, and continued to work on Friday after moving to my 16PM. My girlfriend has a Galaxy S23 on Verizon and all texts up through Friday night were RCS, but Saturday morning suddenly only SMS worked. The text field shows RCS still, but anytime I text her it immediately fails, and the only way I can text her to to revert to SMS.

RCS does work for other people though. Was texting someone on T-Mobile a bunch this weekend and it was all RCS. Have also texted others on Verizon and AT&T and RCS works for those. So why would it suddenly not work just for 1 person? It keeps trying but always fails immediately.

I’ve toggled RCS multiple times, reset my network settings, tried on and off WiFi, etc.

Is this an AT&T issue, Verizon, Apple, or something with my phone? I’m not even sure where to go next.
 
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ShinyApps

macrumors member
Aug 9, 2016
52
45
East Coast
Been dealing with the same issue. Sadly, it’s an issue it’s Samsung users. A lot of Samsung users are still not using Google Messages and are using a Samsung messaging app that uses ‘RCS Chats’. RCS chats on Samsung has been glitching with iPhone users and it’s been annoying. It works for a bit then stops working. In my case, when I message my Samsung friends individually, the RCS intermittently works but when I do a group chat, it completely breaks and I have to revert to SMS. For context, one friend is a Pixel user and the other is Samsung user. The pixel friend I have 0 issues but the Samsung friend, that’s where we are seeing the issues.
 

MDTyKe

macrumors regular
Jun 24, 2007
173
39
Hawaii, USA
I was beta testing iOS 18, and RCS was great. Ever since it went public, I can't get it to work at all. I just tried 18.1 to see if that helped, but it says "Activation unsuccessful" Not sure what to do. T-Mo.
 

ShinyApps

macrumors member
Aug 9, 2016
52
45
East Coast
I was beta testing iOS 18, and RCS was great. Ever since it went public, I can't get it to work at all. I just tried 18.1 to see if that helped, but it says "Activation unsuccessful" Not sure what to do. T-Mo.
What do you mean? You have an iPhone and it says activation unsuccessful? Or you have an Android and you’re messaging iPhone users using 18.1?
 

Böhme417

macrumors 65816
Mar 11, 2009
1,054
1,500
I haven't been able to get RCS working for me since the day I installed 18.0 if that makes you feel any better.
 
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NLLV

macrumors regular
Sep 16, 2020
216
386
So i managed to turn it on just now. Very strange.
I have two e-sims in my phone. I never use my Tmobile line for text, just data.

Turned the tmobile RCS service OFF, went back to the chat that was SMS before, and it is RCS literally the second I turned the second line RCS off.
 

NLLV

macrumors regular
Sep 16, 2020
216
386
Update, it seems to have updated on all my iphone chats, but imessage desktop it is hit or miss, with the same contacts.
 
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